Cable clamp



FIG. 1 is a top perspective view of a cable clamp showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top perspective view with the end element removed for clarity of illustration;

FIG. 4 is a top perspective view of the end element, again shown separately for clarity of illustration. 

The ornamental design for a cable clamp, as shown. 